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Finding the Fourth Proportional to 65,894.84, 90,935.31 and 36,823.22

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Solution

The fourth proportional to 65,894.84, 90,935.31 and 36,823.22 is: 50,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,894.84 : 90,935.31 = 36,823.22 : x
  2. Step 2: Convert to fraction form
    65,894.84/90,935.31 = 36,823.22/x
  3. Step 3: Cross multiply
    65,894.84x = 90,935.31 × 36,823.22
  4. Step 4: Simplify right side
    65,894.84x = 3,348,530,925.90
  5. Step 5: Solve for x
    x = 3,348,530,925.90/65,894.84
  6. Step 6: Final answer
    x = 50,816.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.